feat: 界面全部改为中文

- 侧边栏导航：仪表盘、登录、内容浏览、发布、互动、API 测试、设置
- 7 个页面所有按钮、标签、提示、错误信息改为中文
- API 端点列表分类改为中文（登录、内容、发布、互动）
- 组件内文本：展开/收起、复制、点赞、收藏、评论等
- 页面标题改为 Social MCP - 管理后台

web/src/pages/PublishPage.tsx

@@ -34,7 +34,7 @@ export function PublishPage() {
 
   const handlePublishImage = useCallback(async () => {
     if (!imgTitle.trim() || !imgPaths.trim()) {
-      toast('warning', 'Title and images are required');
+      toast('warning', '标题和图片为必填项');
       return;
     }
     setImgLoading(true);
@@ -52,12 +52,12 @@ export function PublishPage() {
       });
       setImgResult(res);
       if (res.success) {
-        toast('success', 'Image note published!');
+        toast('success', '图文笔记发布成功！');
       } else {
-        toast('error', res.error?.message || 'Publish failed');
+        toast('error', res.error?.message || '发布失败');
       }
     } catch (err) {
-      const msg = err instanceof Error ? err.message : 'Publish failed';
+      const msg = err instanceof Error ? err.message : '发布失败';
       toast('error', msg);
       setImgResult({ error: msg });
     } finally {
@@ -67,7 +67,7 @@ export function PublishPage() {
 
   const handlePublishVideo = useCallback(async () => {
     if (!vidTitle.trim() || !vidPath.trim()) {
-      toast('warning', 'Title and video path are required');
+      toast('warning', '标题和视频路径为必填项');
       return;
     }
     setVidLoading(true);
@@ -83,12 +83,12 @@ export function PublishPage() {
       });
       setVidResult(res);
       if (res.success) {
-        toast('success', 'Video note published!');
+        toast('success', '视频笔记发布成功！');
       } else {
-        toast('error', res.error?.message || 'Publish failed');
+        toast('error', res.error?.message || '发布失败');
       }
     } catch (err) {
-      const msg = err instanceof Error ? err.message : 'Publish failed';
+      const msg = err instanceof Error ? err.message : '发布失败';
       toast('error', msg);
       setVidResult({ error: msg });
     } finally {
@@ -98,12 +98,12 @@ export function PublishPage() {
 
   return (
     <div className="max-w-3xl space-y-4">
-      <h1 className="text-2xl font-bold">Publish Note</h1>
+      <h1 className="text-2xl font-bold">发布笔记</h1>
 
       <Tabs
         tabs={[
-          { key: 'image', label: 'Image Note' },
-          { key: 'video', label: 'Video Note' },
+          { key: 'image', label: '图文笔记' },
+          { key: 'video', label: '视频笔记' },
         ]}
         active={tab}
         onChange={setTab}
@@ -112,28 +112,28 @@ export function PublishPage() {
       {tab === 'image' && (
         <Card>
           <div className="space-y-4">
-            <Input label="Title" value={imgTitle} onChange={(e) => setImgTitle(e.target.value)} placeholder="Note title" />
-            <Textarea label="Content" value={imgContent} onChange={(e) => setImgContent(e.target.value)} placeholder="Note body text" />
-            <Textarea label="Image Paths (one per line)" value={imgPaths} onChange={(e) => setImgPaths(e.target.value)} placeholder="/path/to/image1.jpg&#10;/path/to/image2.jpg" />
-            <Input label="Tags (comma separated)" value={imgTags} onChange={(e) => setImgTags(e.target.value)} placeholder="travel, food" />
+            <Input label="标题" value={imgTitle} onChange={(e) => setImgTitle(e.target.value)} placeholder="笔记标题" />
+            <Textarea label="正文" value={imgContent} onChange={(e) => setImgContent(e.target.value)} placeholder="笔记正文" />
+            <Textarea label="图片路径（每行一个）" value={imgPaths} onChange={(e) => setImgPaths(e.target.value)} placeholder="/path/to/image1.jpg&#10;/path/to/image2.jpg" />
+            <Input label="标签（逗号分隔）" value={imgTags} onChange={(e) => setImgTags(e.target.value)} placeholder="旅行, 美食" />
             <div className="flex gap-4 items-end">
               <Select
-                label="Visibility"
+                label="可见性"
                 options={[
-                  { value: 'public', label: 'Public' },
-                  { value: 'private', label: 'Private' },
-                  { value: 'friends', label: 'Friends' },
+                  { value: 'public', label: '公开' },
+                  { value: 'private', label: '私密' },
+                  { value: 'friends', label: '仅好友' },
                 ]}
                 value={imgVisibility}
                 onChange={(e) => setImgVisibility(e.target.value)}
               />
               <label className="flex items-center gap-2 pb-2 cursor-pointer">
                 <input type="checkbox" checked={imgOriginal} onChange={(e) => setImgOriginal(e.target.checked)} className="rounded" />
-                <span className="text-sm text-dark-muted">Original content</span>
+                <span className="text-sm text-dark-muted">原创声明</span>
               </label>
             </div>
             <Button onClick={() => void handlePublishImage()} loading={imgLoading}>
-              Publish Image Note
+              发布图文笔记
             </Button>
             {imgResult !== null && <JsonViewer data={imgResult} />}
           </div>
@@ -143,22 +143,22 @@ export function PublishPage() {
       {tab === 'video' && (
         <Card>
           <div className="space-y-4">
-            <Input label="Title" value={vidTitle} onChange={(e) => setVidTitle(e.target.value)} placeholder="Note title" />
-            <Textarea label="Content" value={vidContent} onChange={(e) => setVidContent(e.target.value)} placeholder="Note body text" />
-            <Input label="Video Path" value={vidPath} onChange={(e) => setVidPath(e.target.value)} placeholder="/path/to/video.mp4" />
-            <Input label="Tags (comma separated)" value={vidTags} onChange={(e) => setVidTags(e.target.value)} placeholder="travel, vlog" />
+            <Input label="标题" value={vidTitle} onChange={(e) => setVidTitle(e.target.value)} placeholder="笔记标题" />
+            <Textarea label="正文" value={vidContent} onChange={(e) => setVidContent(e.target.value)} placeholder="笔记正文" />
+            <Input label="视频路径" value={vidPath} onChange={(e) => setVidPath(e.target.value)} placeholder="/path/to/video.mp4" />
+            <Input label="标签（逗号分隔）" value={vidTags} onChange={(e) => setVidTags(e.target.value)} placeholder="旅行, vlog" />
             <Select
-              label="Visibility"
+              label="可见性"
               options={[
-                { value: 'public', label: 'Public' },
-                { value: 'private', label: 'Private' },
-                { value: 'friends', label: 'Friends' },
+                { value: 'public', label: '公开' },
+                { value: 'private', label: '私密' },
+                { value: 'friends', label: '仅好友' },
               ]}
               value={vidVisibility}
               onChange={(e) => setVidVisibility(e.target.value)}
             />
             <Button onClick={() => void handlePublishVideo()} loading={vidLoading}>
-              Publish Video Note
+              发布视频笔记
             </Button>
             {vidResult !== null && <JsonViewer data={vidResult} />}
           </div>